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Marquise|Lab Grown|IGI

3.10ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG754536918

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754536918

Diamond specifications and retailer prices

From $596 CAD
$427 USD
As of November 1, 2026
Save $3,448 CAD (85%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,924 CAD at Helzberg Diamonds · As of October 8, 2026
View at Helzberg Diamonds

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754536918 or 754536918. Listed at 6 retailers as of October 31, 2026, with a 578% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754536918
Dimensions14.42 × 7.69 × 4.91 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Top View
14.42 mm7.69 mm3.10 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754536918
Side View
Table 64.0%Crown 35.2°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $4,924 CAD|Low: $596 CAD|High: $4,924 CAD|Avg: $2,082 CAD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 7$596 CAD
Retailer 10$855 CAD
Retailer 4$1,039 CAD
Retailer 14$1,069 CAD
Retailer 11$1,204 CAD
Retailer 5$1,330 CAD
Retailer 13$1,485 CAD
Retailer 6$1,699 CAD
Retailer 12$2,107 CAD
Retailer 2$2,183 CAD
Retailer 8$3,038 CAD
Retailer 9$4,045 CAD
Retailer 3$4,554 CAD
Helzberg Diamonds$4,924 CAD

21 data points across 14 retailers

6 retailers$596 CAD to $4,045 CAD

A
Cheapest Retailer
-
$596 CAD
$427 USD
Final sale: no returns
B+
Retailer 2
-
$855 CAD
$612 USD
View
B+
Retailer 3
-
$2,183 CAD
$1,563 USD
View
B+
Retailer 4
-
$3,038 CAD
$2,175 USD
View
B
Retailer 5
-
$4,045 CAD
$2,895 USD
View
Most Expensive
Helzberg Diamonds
ZXZNLKLJMPHO · Oct 8
$4,924 CAD
$3,525 USD
View
Price last confirmed 25 days ago
5 more retailers have this diamond
Prices start from $596 CADSave up to $3,448 CAD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.10ct Marquise
$596 CAD